Series exploring topical scientific issues and their effects for the future
- Programmes:
- on BBC iPlayer (5)
- coming up (3)

Series exploring topical scientific issues and their effects for the future
Watch now (60 minutes)
Available since Tuesday with 14 days left.
Horizon investigates speech, a phenomenon unique to humans, which remains a mystery.
Watch now (60 minutes)
Available since Tue, 3 Nov 2009 with 14 days left.
What was there before the Big Bang? Black holes could hold the answer.
Watch now (60 minutes)
Available since Tue, 27 Oct 2009 with 10 days left.
Three people with untreatable conditions see if, within their lifetime, they can be cured.
Watch now (60 minutes)
Available since Tue, 20 Oct 2009 with 14 days left.
The search for answers to one of science's greatest mysteries: how do we know who we are?
Watch now (60 minutes)
Available since Tue, 13 Oct 2009 with 14 days left.
Addiction expert John Marsden explores our relationship with alcohol.
Have a look at the old Horizon web pages to watch clips and interviews from previous programmes
2 more programmes coming up in the next 7 days (including repeats).
Find related BBC Two programmes.